code: def test_estimators_single_gpu():
      mnist.run_estimators_single_device("gpu", 0)
  
file_path: DALI/dali/test/python/test_dali_tf_dataset_mnist_graph.py
imports: import tensorflow
  import tensorflow.compat.v1
  from nose import with_setup
  import test_dali_tf_dataset_mnist
  from nose_utils import raises
label_desc: Use image node_id 11 for calling a global function with example usage: test_estimators_single_gpu() without return types